import { hi } from './m'
function add(a: number, b: number): number {
  return a + b
}
console.log(add(123, 456));
console.log(hi);

console.log(Promise);
let obj: { name: string, age: number }
obj = { name: 'sun', age: 18 }
const obj1 = { name: 'wukong', age: 13 }
obj1.name = 'sdasd'
console.log(obj1);

